package com.sky.controller.user;

import com.sky.constant.StatusConstant;
import com.sky.entity.Dish;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import java.util.List;

@Slf4j
@Api(tags = "菜品浏览接口")
@RequestMapping
@RestController("userDishController")
public class DishController {

    @Autowired
    private DishService dishService;
    @Autowired
    private RedisTemplate redisTemplate;

    @ApiOperation("根据分类id查询菜品")
    @GetMapping("/user/dish/list")
    public Result<List<DishVO>> queryDish(Long categoryId) {
        log.info("用户查询菜品,分类id：{}", categoryId);

        //查看内存类是否有此对象
        List<DishVO> list =(List<DishVO>)redisTemplate.opsForValue().get("dish_" + categoryId);
        if(list == null || list.isEmpty()){
            //若没有则创建
            Dish dish = new Dish();
            dish.setCategoryId(categoryId);
            dish.setStatus(StatusConstant.ENABLE);

            list= dishService.getByCategoryIdAndStatus(dish);

            redisTemplate.opsForValue().set("dish_" + categoryId, list);
        }


        return Result.success(list);
    }


}

